National Instruments NI 6120 用户手册

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© National Instruments Corporation
4-1
4
Connecting Signals
This chapter describes how to connect input and output signals to the 
NI 6115/6120 using the device I/O connector.
I/O Connector
Figure 4-1 shows the pin assignments for the 68-pin I/O connector on the 
NI 6115/6120. A signal description follows the connector pinouts.
Caution
Connections that exceed any of the maximum ratings of input or output signals 
on the NI 6115/6120 can damage the device and the computer. NI is not liable for any 
damage resulting from such signal connections. The Protection column of Tables 4-3, 4-4, 
and 4-5 show the maximum input ratings for each signal.
Table 4-1.  I/O Connector Details
Device with I/O 
Connector
Number 
of Pins
Cable for Connecting 
to 100-pin Accessories
Cable for Connecting 
to 68-pin Accessories
NI 6115,
NI 6120
68
N/A
SH6868 Shielded Cable, 
SH68-68-EP, R6868, 
SH68-68R1-EP